Alloy 718


UNS N07718
AMS 5596B (Sheet)
AMS 5662B (Bar/forgings)
AMS 5663B
AMS 5589 (Seamless Tubes)
2.4668 (De)
NiCr19Fe19NbSMo3 (EU)
NC19FeNb (Fr)


Element Min Max
Al(Aluminium) 0.2 0.8%
B(Boron) 0.006%
Cu (Copper) 1%
Mn(Manganese) 0.35%
Mo(Molybdenum) 2.8 3.3%
Ni (Nickel) 50 55%
Si(Silicon) 0.015%
Cr(Chromium) 17 21%
C(Carbon) 0.08%
Co(Cobalt) 1%
Ti(Titanium) 0.65 1.15%
S (Sulphur) 0.015%
Mechanical Property Min Max
Ultimate Tensile Strength (UTS) 150 KSi
0.2% Proof Stress 120KSi
Elongation 17%
Reduction of Area 25%
Hardness (Rockwell C) 40 HRC

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